Question

Reena has enough money to buy $10kg$ of potatoes worth $Rs18/kg$ with the same money. How much kilograms of potatoes can she buy if the price of potatoes increases to $Rs20/kg$

Answer 1

Que. Reena has money to buy 10 kg potatoes at rate

Rs 18/kg.

$\to Money=10\times 18$

$180Rs.$

$\to$ at rate 20 Rs/kg.

Money = rate $\times$ weight

$180=20\times$ weight

weight $=\frac{180}{20}$

= 9 kg

Reena buy 9 kg of potatoes If price increase to 20/kg.